Walter

Walter has asked 143 questions and find answers to 166 problems.

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programming numerical algorithms for astrophysical applications.

Walter questions

How to implement floor(double) in AVX? [closed]
How to use sympy.physics.quantum Commutator?
pollution of global namespace by standard header files
Is it possible to pipe HDF5 formated data?
template class in enclosing namespace as friend
How to use scipy.integrate.fixed_quad for computing many integrals at once?
updating maximum value atomically
How to check inf for AVX intrinsic __m256
How to set all elements in a __m256d to, say, the 3rd element of another __m256d?
What's the best way to implement automatic type conversion between related types in C++?

Walter answers

In C++ how could I cast a sub class instance from one base class pointer to another without dynamic_cast?
Enabling arch:SSE2 makes program slower
How to set all elements in a __m256d to, say, the 3rd element of another __m256d?
Couldn't get acceleration OpenMP
Square brackets — not array related?
C++ Member Variable value changes based on whether or not it is printed out
How is it possible to construct a std::vector of non-default constructible objects?
is there a way to put condition on constant value parameter in C++ template specialization?
Restrict supported types of a template class by using variadic templates
Explaining "counting the number of subgrids" solution in the Competitive Programming Guide Book